mirror of
https://git.sr.ht/~rjarry/aerc
synced 2025-02-22 14:53:57 +01:00
5a119d7c64
Allow filter commands to declare that they will provide their own paging functionality. To do so, a filter command must start with an exclamation mark "!". For example: text/html = ! w3m -I UTF-8 -T text/html This will effectively run w3m as the main process running in the embedded terminal of the part viewer. It will provide interactive access to w3m and will effectively allow navigating using w3m paging and coloring. Implements: https://todo.sr.ht/~rjarry/aerc/250 Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Inwit <inwit@sindominio.net>
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package config
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import (
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"regexp"
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"strings"
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"git.sr.ht/~rjarry/aerc/lib/log"
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"github.com/go-ini/ini"
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)
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type FilterType int
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const (
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FILTER_MIMETYPE FilterType = iota
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FILTER_HEADER
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FILTER_HEADERS
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FILTER_FILENAME
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)
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type FilterConfig struct {
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Type FilterType
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Filter string
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Command string
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NeedsPager bool
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Header string
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Regex *regexp.Regexp
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}
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var Filters []*FilterConfig
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func parseFilters(file *ini.File) error {
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filters, err := file.GetSection("filters")
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if err != nil {
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goto end
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}
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for _, key := range filters.Keys() {
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pager := true
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cmd := key.Value()
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if strings.HasPrefix(cmd, "!") {
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cmd = strings.TrimLeft(cmd, "! \t")
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pager = false
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}
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filter := FilterConfig{
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Command: cmd,
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NeedsPager: pager,
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Filter: key.Name(),
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}
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switch {
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case strings.HasPrefix(filter.Filter, ".filename,~"):
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filter.Type = FILTER_FILENAME
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regex := filter.Filter[strings.Index(filter.Filter, "~")+1:]
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filter.Regex, err = regexp.Compile(regex)
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if err != nil {
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return err
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}
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case strings.HasPrefix(filter.Filter, ".filename,"):
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filter.Type = FILTER_FILENAME
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value := filter.Filter[strings.Index(filter.Filter, ",")+1:]
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filter.Regex, err = regexp.Compile(regexp.QuoteMeta(value))
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if err != nil {
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return err
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}
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case strings.Contains(filter.Filter, ",~"):
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filter.Type = FILTER_HEADER
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//nolint:gocritic // guarded by strings.Contains
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header := filter.Filter[:strings.Index(filter.Filter, ",")]
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regex := filter.Filter[strings.Index(filter.Filter, "~")+1:]
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filter.Header = strings.ToLower(header)
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filter.Regex, err = regexp.Compile(regex)
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if err != nil {
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return err
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}
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case strings.ContainsRune(filter.Filter, ','):
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filter.Type = FILTER_HEADER
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//nolint:gocritic // guarded by strings.Contains
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header := filter.Filter[:strings.Index(filter.Filter, ",")]
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value := filter.Filter[strings.Index(filter.Filter, ",")+1:]
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filter.Header = strings.ToLower(header)
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filter.Regex, err = regexp.Compile(regexp.QuoteMeta(value))
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if err != nil {
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return err
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}
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case filter.Filter == ".headers":
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filter.Type = FILTER_HEADERS
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default:
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filter.Type = FILTER_MIMETYPE
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}
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Filters = append(Filters, &filter)
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}
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end:
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log.Debugf("aerc.conf: [filters] %#v", Filters)
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return nil
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}
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